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authorJisheng Zhang <jszhang@marvell.com>2013-08-27 08:41:15 +0400
committerJason Cooper <jason@lakedaemon.net>2013-09-18 20:41:10 +0400
commit4ec7fc4abb554c6c9b0eda81ad1c9cb82c29aa79 (patch)
treea133de800c571e9b28f68f3966d7de800ff1a43e /drivers/bus/mvebu-mbus.c
parentabe511ac85de60f6d6ce1272b91c079d73bf8517 (diff)
downloadlinux-4ec7fc4abb554c6c9b0eda81ad1c9cb82c29aa79.tar.xz
bus: mvebu: add missing of_node_put() to fix reference leak
Add of_node_put to properly decrement the refcount when we are done using a given node. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net> Conflicts: drivers/bus/mvebu-mbus.c
Diffstat (limited to 'drivers/bus/mvebu-mbus.c')
-rw-r--r--drivers/bus/mvebu-mbus.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 19ab6ff53d59..553185318963 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
phys_addr_t sdramwins_phys_base,
size_t sdramwins_size)
{
+ struct device_node *np;
int win;
mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size);
@@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
return -ENOMEM;
}
- if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"))
+ np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric");
+ if (np) {
mbus->hw_io_coherency = 1;
+ of_node_put(np);
+ }
for (win = 0; win < mbus->soc->num_wins; win++)
mvebu_mbus_disable_window(mbus, win);